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Finding the Third Proportional to 443,313 and 702,087.75

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Solution

The third proportional to 443,313 and 702,087.75 is: 1,111,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,313 : 702,087.75 = 702,087.75 : x
  2. Step 2: Convert to fraction form
    443,313/702,087.75 = 702,087.75/x
  3. Step 3: Cross multiply
    443,313x = 702,087.75 × 702,087.75
  4. Step 4: Simplify right side
    443,313x = 492,927,208,700.06
  5. Step 5: Solve for x
    x = 492,927,208,700.06/443,313
  6. Step 6: Final answer
    x = 1,111,916.88

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.